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a display case of red coral jewelry containing necklaces, earrings, bracelets, and rings
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Avoid Coral Jewelry

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Corals, sponges, and algae are the major components of most coral reef communities as shown in this picture.
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Coral Reef on Gangga Island, Indonesia

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A piece of the Hyperbolic Crochet Coral Reef exhibit.
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A Rainbow of Crocheted Corals

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Pygmy Seahorse Blends Into its Environment
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Eye to Eye With a Pygmy Seahorse

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Tiny sponge spicules.
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Sparkling Sponge Spicules

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Colorful corals are disappearing in the Great Barrier Reef.
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Coral at the Great Barrier Reef

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Dr. Valerie Paul, director of the Smithsonian Marine Station at Fort Pierce, Fla., examines tropical seaweeds on northwestern Guam’s coral reefs.
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Diving in Guam

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A purple hard coral releases bundles of pink eggs glued together with sperm.
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Coral Spawning

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In some reefs, small fishes such as this broad-barred goby protect corals by eating invading seaweeds.
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Coral Goby Cleans Coral

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Using dynamite to stun or kill bigger fish to sell at market leaves behind many dead undesired fish as bycatch.
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Fishing with Dynamite

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It's a pygmy seahorse (Hippocampus bargibanti), found in Indonesia's biodiverse Coral Triangle and one of the smallest seahorse species in the world! They can change colors like a chameleon to blend into their environment. This helps to protect them from p
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Can You Spot the Seahorse?

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Many species of pink coralline algae, which cements coral reefs together, cover a reef surface in the Southern Line Islands.
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Pink Coralline Algae

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